Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9711045 | System and method for traffic preemption emitter type detection and response | Timothy A. Geiger | 2017-07-18 |
| 9123240 | System and method for laser emitter for traffic preemption | Scott T. Sikora, Bart Millikan | 2015-09-01 |
| 8742946 | System and related methods for powering and controlling traffic preemption system components | Timothy A. Geiger | 2014-06-03 |
| 8577042 | Location-based security, privacy, access control and monitoring system | — | 2013-11-05 |
| 8373578 | Wireless head for a traffic preemption system | Scott T. Sikora, Timothy A. Geiger | 2013-02-12 |
| 8339280 | Traffic preemption system and related methods | Scott T. Sikora, Timothy A. Geiger | 2012-12-25 |
| 8054202 | Traffic preemption system and related methods | Scott T. Sikora, Timothy A. Geiger | 2011-11-08 |
| 7696881 | RFID systems and methods employing infrared localization | Steve J. Koerner | 2010-04-13 |
| 7486189 | RFID systems and methods employing infrared localization | Steve J. Koerner | 2009-02-03 |
| 7471203 | Tamper monitoring system and method | Charles Glasser, Yazid Sidi, James L. Rodgers | 2008-12-30 |
| 7036136 | Bias compensating remote audience survey system and method | — | 2006-04-25 |
| 6813475 | Interference attenuating remote audience survey system and method | — | 2004-11-02 |
| 6684054 | System and method for detecting harmonics of RF broadcast station survey signals | — | 2004-01-27 |
| 6643494 | Active system and method for detecting harmonics of RF broadcast station survey signals | — | 2003-11-04 |
| 6081690 | Bias compensating remote audience survey system and method | — | 2000-06-27 |
| 5819155 | Active system and method for remotely identifying RF broadcast stations | Danny L. Dubrall | 1998-10-06 |
| 5749043 | System and method for estimating characteristics of broadcast radio audiences | — | 1998-05-05 |
| 5572450 | RF car counting system and method therefor | — | 1996-11-05 |
| 5561835 | System and method for identifying radio stations to which tuners are tuned | — | 1996-10-01 |
| 5410724 | System method for identifying radio stations to which tuners are tuned | — | 1995-04-25 |